To make something more like the countryside or a small town.
Ruralised can make people think of quiet, simple places.
Examples:
The city park was ruralised with small paths and wooden benches.
She ruralised her apartment with lots of plants and flowers.
The town was ruralised with new streetlights and paved roads.
I ruralised my room with pictures of farms and animals.
The school was ruralised with a big garden and a chicken coop.
He ruralised his backyard with a vegetable patch and a little pond.